“Domestic Medicine, or Poor Man’s Friend” by Dr. John C. Gunn, first published in 1830, is a comprehensive medical guide aimed at providing accessible healthcare knowledge to families, particularly those in rural and frontier regions. Recognizing the challenges faced by individuals without access to professional medical care, Gunn designed this work to serve as a practical resource for common ailments, offering remedies that could be prepared from locally available herbs and roots.​

The book is structured to be easily understood by the layperson, avoiding complex medical terminology. It covers a wide array of topics, including the diseases of men, women, and children, along with the latest and most approved means used in their cure. Special attention is given to midwifery, surgery, and home remedies for various ailments. Additionally, the text provides descriptions of the medicinal roots and herbs native to the western and southern United States, detailing how they can be utilized in the treatment of diseases. This approach reflects Gunn’s intent to reduce medical practices to principles of common sense, making healthcare more accessible to all.​

Gunn’s work not only served as a practical guide for families but also became a valuable textbook for self-taught doctors in rural areas. Its influence extended beyond its initial publication, with numerous editions released over the years, indicating its widespread acceptance and utility. The book’s emphasis on the use of local herbs and its straightforward approach to medical knowledge made it a significant resource in an era when professional medical services were scarce, particularly in frontier regions.​

“Domestic Medicine, or Poor Man’s Friend” stands as a testament to Dr. Gunn’s commitment to democratizing healthcare information. By providing clear, practical advice and emphasizing the use of readily available natural remedies, Gunn empowered individuals to take charge of their health, thereby improving the well-being of countless families in the western and southern United States during the 19th century.​